{"title":"9 kW heaters","description":"\u003cp\u003eElectric sauna heaters in this size. Email \u003ca href=\"mailto:hello@selfcaresaunas.com\"\u003ehello@selfcaresaunas.com\u003c\/a\u003e if you need help matching a room.\u003c\/p\u003e","products":[{"product_id":"harvia-virta-hl90e","title":"Harvia Virta HL90E","description":"\u003cp\u003eThe Harvia Virta HL90E is a floor-standing Harvia Virta electric heater, 9 kW, for rooms of about 174–494 cu ft. Virta is the black stainless floor heater with a front maintenance hatch — more stone mass and service access than a wall KIP.\u003c\/p\u003e\u003ch3\u003eHow it heats\u003c\/h3\u003e\u003cp\u003eFreestanding electric: heat the stones, ladle water for löyly. Harvia separates the elements from the stone pile to cut wear. The E suffix means a separate control (typically Xenio). It is not a through-wall wood stove.\u003c\/p\u003e\u003ch3\u003eWhat’s included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVirta heater\u003c\/li\u003e\n\u003cli\u003eStones sold separately (Harvia lists a large stone load on Virta — order stones, don’t assume they are in the box)\u003c\/li\u003e\n\u003cli\u003eSeparate control sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Harvia (Finland)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeater output:\u003c\/strong\u003e 9 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprox. room volume:\u003c\/strong\u003e 174–494 cu ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e Floor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e Separate control (E model)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDownloads\u003c\/h3\u003e\u003cp\u003eEmail hello@selfcaresaunas.com for the spec sheet.\u003c\/p\u003e\u003ch3\u003eSizing\u003c\/h3\u003e\u003cp\u003eMatch heater kW to insulated interior volume. Glass, stone, tile, or thin walls need more heater than a tight wood room of the same size. A licensed electrician completes the hookup from the nameplate — we do not guess breaker size. Email hello@selfcaresaunas.com to size the room first.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eStones included?\u003c\/strong\u003e\u003cbr\u003eNo.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWall or floor?\u003c\/strong\u003e\u003cbr\u003eFloor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManual?\u003c\/strong\u003e\u003cbr\u003eEmail hello@selfcaresaunas.com for the Virta HL spec sheet. We only link manufacturer PDFs we verified.\u003c\/p\u003e\u003cp\u003eQuestions? Email hello@selfcaresaunas.com.\u003c\/p\u003e","brand":"Harvia","offers":[{"title":"Default Title","offer_id":44072285372475,"sku":null,"price":2143.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0618\/3279\/0075\/files\/1621587135-harvia02-sauna-interior-indoors-western-europe-4closeupvirta-heater_ac1c0c12-188a-4a85-80dc-46305e17faf0.jpg?v=1788024966"},{"product_id":"harvia-virta-combi-hl90sa","title":"Harvia Virta Combi HL90SA","description":"\u003cp\u003eThe Harvia Virta Combi HL90SA is a floor-standing Harvia Virta Combi — electric heater plus a steamer — rated 9 kW for rooms of about 177–494 cu ft. Choose Combi if you want wetter steam without relying only on the ladle.\u003c\/p\u003e\u003ch3\u003eHow it heats\u003c\/h3\u003e\u003cp\u003eVirta is a freestanding electric heater: elements kept off the stones to reduce wear, front hatch for service. Combi adds a steam tank so the room can run drier Finnish heat or a more humid steam-sauna mode. Needs a separate control. Water on the rocks still works for classic löyly.\u003c\/p\u003e\u003ch3\u003eWhat’s included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVirta Combi heater\u003c\/li\u003e\n\u003cli\u003eStones sold separately\u003c\/li\u003e\n\u003cli\u003eSeparate control sold separately unless named on a package\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Harvia (Finland)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeater output:\u003c\/strong\u003e 9 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprox. room volume:\u003c\/strong\u003e 177–494 cu ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e Floor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e Separate control (E\/Combi)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDownloads\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/pim.harvia.com\/rockon-images\/CIP\/asset\/download\/3c5b6375-efcf-42bf-86ea-4ff1ab4796a9\/392\" target=\"_blank\" rel=\"noopener\"\u003eHarvia Virta Combi (HLSA) USA install and use manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eSizing\u003c\/h3\u003e\u003cp\u003eMatch heater kW to insulated interior volume. Glass, stone, tile, or thin walls need more heater than a tight wood room of the same size. A licensed electrician completes the hookup from the nameplate — we do not guess breaker size. Email hello@selfcaresaunas.com to size the room first.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eStones included?\u003c\/strong\u003e\u003cbr\u003eNo.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is Combi?\u003c\/strong\u003e\u003cbr\u003eElectric heater plus an integrated steamer. You can run traditional heat or add humidity from the tank.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e240V?\u003c\/strong\u003e\u003cbr\u003eHardwired electric. Electrician uses the nameplate — we do not invent amps.\u003c\/p\u003e\u003cp\u003eQuestions? Email hello@selfcaresaunas.com.\u003c\/p\u003e","brand":"Harvia","offers":[{"title":"Default Title","offer_id":44072285896763,"sku":null,"price":3711.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0618\/3279\/0075\/files\/1694164830-harvia_virtacombi_f1_14ee1653-fb0d-4556-9cfa-0da82d2a67d3.jpg?v=1788024968"},{"product_id":"huum-drop-9","title":"HUUM DROP 9","description":"\u003cp\u003eThe HUUM DROP 9 is a HUUM electric sauna heater made in Estonia, 9 kW, about 283–460 cu ft. DROP is the teardrop wall heater. A lot of stone for a compact wall unit — milder, longer steam than a tiny 3 kW box.\u003c\/p\u003e\u003ch3\u003eHow it heats\u003c\/h3\u003e\u003cp\u003eElectric elements inside a stone cage. You need a HUUM UKU (or compatible) control — there are no dials on the heater. Round stones are what HUUM recommends. Licensed electrician, heat-resistant cable, no guessed breaker size from us. Glass and masonry: add equivalent volume when you size kW.\u003c\/p\u003e\u003ch3\u003eWhat’s included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHUUM DROP 9 heater\u003c\/li\u003e\n\u003cli\u003eStones sold separately (HUUM is explicit: stones, UKU, and power cable are not in the heater box)\u003c\/li\u003e\n\u003cli\u003eUKU control sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e HUUM (Estonia)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e 9 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprox. room volume:\u003c\/strong\u003e 283–460 cu ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e Wall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e UKU (sold separately unless this is a UKU package)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone load (manufacturer):\u003c\/strong\u003e about 121 lb \/ 55 kg, 2–4 in (HUUM)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDownloads\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/huumsauna.com\/wp-content\/uploads\/2026\/04\/H1001L08_v8_DROP_2.0_User_Manual_US_PRINT.pdf\" target=\"_blank\" rel=\"noopener\"\u003eHUUM DROP install and operation manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eSizing\u003c\/h3\u003e\u003cp\u003eMatch heater kW to insulated interior volume. Glass, stone, tile, or thin walls need more heater than a tight wood room of the same size. A licensed electrician completes the hookup from the nameplate — we do not guess breaker size. Email hello@selfcaresaunas.com to size the room first.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eAre stones included?\u003c\/strong\u003e\u003cbr\u003eHeater-only SKUs: no. STU packages: stones are part of the STU name; still confirm the carton with our team.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs UKU included?\u003c\/strong\u003e\u003cbr\u003eHeater-only: no. Packages whose options list UKU Local \/ UKU Wi-Fi: yes, that control finish is the option you pick.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e240V?\u003c\/strong\u003e\u003cbr\u003eHUUM US heaters are typically 240V hardwired. Electrician uses the HUUM table in the manual. We do not invent amps.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWall or floor?\u003c\/strong\u003e\u003cbr\u003eWall\u003c\/p\u003e\u003cp\u003eQuestions? Email hello@selfcaresaunas.com.\u003c\/p\u003e","brand":"HUUM","offers":[{"title":"Default Title","offer_id":44072286224443,"sku":null,"price":1751.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0618\/3279\/0075\/files\/HUUM-DROP-front_WEB2_90ffb197-6a93-4b56-be91-46b7aedde6fe.png?v=1788024971"},{"product_id":"huum-hive-mini-9","title":"HUUM HIVE Mini 9","description":"\u003cp\u003eThe HUUM HIVE Mini 9 is a HUUM electric sauna heater made in Estonia, 9 kW, about 283–460 cu ft. HIVE Mini is the smaller floor cage in the HIVE family. Same round-stone look, less volume than full HIVE 12–18.\u003c\/p\u003e\u003ch3\u003eHow it heats\u003c\/h3\u003e\u003cp\u003eElectric elements inside a stone cage. You need a HUUM UKU (or compatible) control — there are no dials on the heater. Round stones are what HUUM recommends. Licensed electrician, heat-resistant cable, no guessed breaker size from us. Glass and masonry: add equivalent volume when you size kW.\u003c\/p\u003e\u003ch3\u003eWhat’s included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHUUM HIVE Mini 9 heater\u003c\/li\u003e\n\u003cli\u003eStones sold separately (HUUM is explicit: stones, UKU, and power cable are not in the heater box)\u003c\/li\u003e\n\u003cli\u003eUKU control sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e HUUM (Estonia)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e 9 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprox. room volume:\u003c\/strong\u003e 283–460 cu ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e Floor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e UKU (sold separately unless this is a UKU package)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone load (manufacturer):\u003c\/strong\u003e about 330 lb \/ 150 kg, 2–4 in (HUUM HIVE Mini)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDownloads\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/huumsauna.com\/wp-content\/uploads\/2025\/07\/H1002L03_v13_HIVE_user_manual_USA_PRINT.pdf\" target=\"_blank\" rel=\"noopener\"\u003eHUUM HIVE \/ HIVE Mini install and operation manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eSizing\u003c\/h3\u003e\u003cp\u003eMatch heater kW to insulated interior volume. Glass, stone, tile, or thin walls need more heater than a tight wood room of the same size. A licensed electrician completes the hookup from the nameplate — we do not guess breaker size. Email hello@selfcaresaunas.com to size the room first.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eAre stones included?\u003c\/strong\u003e\u003cbr\u003eHeater-only SKUs: no. STU packages: stones are part of the STU name; still confirm the carton with our team.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs UKU included?\u003c\/strong\u003e\u003cbr\u003eHeater-only: no. Packages whose options list UKU Local \/ UKU Wi-Fi: yes, that control finish is the option you pick.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e240V?\u003c\/strong\u003e\u003cbr\u003eHUUM US heaters are typically 240V hardwired. Electrician uses the HUUM table in the manual. We do not invent amps.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWall or floor?\u003c\/strong\u003e\u003cbr\u003eFloor\u003c\/p\u003e\u003cp\u003eQuestions? Email hello@selfcaresaunas.com.\u003c\/p\u003e","brand":"HUUM","offers":[{"title":"Default Title","offer_id":44072286584891,"sku":null,"price":2657.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0618\/3279\/0075\/files\/hive-mini-elektrikeris_67c9c5e3-1650-4044-a382-bf48d1e9d6ba.png?v=1788024974"},{"product_id":"harvia-cilindro-pc90e","title":"Harvia Cilindro PC90E","description":"\u003cp\u003eThe Harvia Cilindro PC90E is a Harvia Cilindro pillar heater, 9 kW, for about 141–494 cu ft. The grate-style cage lets you throw water on the side for softer steam or on top for a sharper hit. Floor standing, not a wall KIP.\u003c\/p\u003e\u003ch3\u003eHow it heats\u003c\/h3\u003e\u003cp\u003eA tall stone pillar heated by electric elements. Air and water move through the open cage, which is why Cilindro can feel milder or sharper depending on where you throw. The E code means you need a separate control unit — typically Xenio — in a dry location. Floor standing only. Budget a large stone order; this is not a 30 lb wall box.\u003c\/p\u003e\u003ch3\u003eWhat’s included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCilindro electric heater\u003c\/li\u003e\n\u003cli\u003eStones sold separately\u003c\/li\u003e\n\u003cli\u003eControl as noted — E models need a separate unit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Harvia (Finland)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeater output:\u003c\/strong\u003e 9 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprox. room volume:\u003c\/strong\u003e 141–494 cu ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e Floor (pillar)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e Separate control (E models)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDownloads\u003c\/h3\u003e\u003cp\u003eEmail hello@selfcaresaunas.com for the spec sheet.\u003c\/p\u003e\u003ch3\u003eSizing\u003c\/h3\u003e\u003cp\u003eMatch heater kW to insulated interior volume. Glass, stone, tile, or thin walls need more heater than a tight wood room of the same size. A licensed electrician completes the hookup from the nameplate — we do not guess breaker size. Email hello@selfcaresaunas.com to size the room first.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eStones included?\u003c\/strong\u003e\u003cbr\u003eNo. Cilindro holds a large pile — budget stones.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eE vs non-E?\u003c\/strong\u003e\u003cbr\u003eE = separate control. No E = controls on the heater.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePDF?\u003c\/strong\u003e\u003cbr\u003eEmail hello@selfcaresaunas.com for the Cilindro electric spec sheet. We only post manufacturer PDFs we verified.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWall mount?\u003c\/strong\u003e\u003cbr\u003eNo. Cilindro PC is a floor pillar.\u003c\/p\u003e\u003cp\u003eQuestions? Email hello@selfcaresaunas.com.\u003c\/p\u003e","brand":"Harvia","offers":[{"title":"Default Title","offer_id":44072287109179,"sku":null,"price":1318.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0618\/3279\/0075\/files\/1694070415-harvia_cilindroh_e_hpcs_usa_f6_web_c5f953c0-a6e9-41ca-9818-3f7c5bedd1fe.jpg?v=1788024976"},{"product_id":"harvia-cilindro-pc90","title":"Harvia Cilindro PC90","description":"\u003cp\u003eThe Harvia Cilindro PC90 is a Harvia Cilindro pillar heater, 9 kW, for about 141–494 cu ft. The grate-style cage lets you throw water on the side for softer steam or on top for a sharper hit. Floor standing, not a wall KIP.\u003c\/p\u003e\u003ch3\u003eHow it heats\u003c\/h3\u003e\u003cp\u003eA tall stone pillar heated by electric elements. Air and water move through the open cage, which is why Cilindro can feel milder or sharper depending on where you throw. This non-E PC model uses the heater’s own controls, so you are not buying a wall panel for this SKU. Floor standing only. Budget a large stone order; this is not a 30 lb wall box.\u003c\/p\u003e\u003ch3\u003eWhat’s included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCilindro electric heater\u003c\/li\u003e\n\u003cli\u003eStones sold separately\u003c\/li\u003e\n\u003cli\u003eControl as noted — E models need a separate unit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Harvia (Finland)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeater output:\u003c\/strong\u003e 9 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprox. room volume:\u003c\/strong\u003e 141–494 cu ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e Floor (pillar)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e On-heater control (non-E Cilindro PC)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDownloads\u003c\/h3\u003e\u003cp\u003eEmail hello@selfcaresaunas.com for the spec sheet.\u003c\/p\u003e\u003ch3\u003eSizing\u003c\/h3\u003e\u003cp\u003eMatch heater kW to insulated interior volume. Glass, stone, tile, or thin walls need more heater than a tight wood room of the same size. A licensed electrician completes the hookup from the nameplate — we do not guess breaker size. Email hello@selfcaresaunas.com to size the room first.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eStones included?\u003c\/strong\u003e\u003cbr\u003eNo. Cilindro holds a large pile — budget stones.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eE vs non-E?\u003c\/strong\u003e\u003cbr\u003eE = separate control. No E = controls on the heater.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePDF?\u003c\/strong\u003e\u003cbr\u003eEmail hello@selfcaresaunas.com for the Cilindro electric spec sheet. We only post manufacturer PDFs we verified.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWall mount?\u003c\/strong\u003e\u003cbr\u003eNo. Cilindro PC is a floor pillar.\u003c\/p\u003e\u003cp\u003eQuestions? Email hello@selfcaresaunas.com.\u003c\/p\u003e","brand":"Harvia","offers":[{"title":"Default Title","offer_id":44072287174715,"sku":null,"price":1625.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0618\/3279\/0075\/files\/1694417363-harvia_cilindro_usa_pc60-pc90_f2_ccd030f1-eee8-4405-9e48-18bb69c2cdb3.jpg?v=1788024979"},{"product_id":"huum-cliff-9","title":"HUUM CLIFF 9","description":"\u003cp\u003eThe HUUM CLIFF 9 is a HUUM electric sauna heater made in Estonia, 9 kW, about 283–460 cu ft. CLIFF is the ribbed floor heater. HUUM even uses leftover STEEL sheet for the body. Stones 3–5 cm, not the big 5–10 cm DROP rocks.\u003c\/p\u003e\u003ch3\u003eHow it heats\u003c\/h3\u003e\u003cp\u003eElectric elements inside a stone cage. You need a HUUM UKU (or compatible) control — there are no dials on the heater. Round stones are what HUUM recommends. Licensed electrician, heat-resistant cable, no guessed breaker size from us. Glass and masonry: add equivalent volume when you size kW.\u003c\/p\u003e\u003ch3\u003eWhat’s included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHUUM CLIFF 9 heater\u003c\/li\u003e\n\u003cli\u003eStones sold separately (HUUM is explicit: stones, UKU, and power cable are not in the heater box)\u003c\/li\u003e\n\u003cli\u003eUKU control sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e HUUM (Estonia)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e 9 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprox. room volume:\u003c\/strong\u003e 283–460 cu ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e Floor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e UKU (sold separately unless this is a UKU package)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone load (manufacturer):\u003c\/strong\u003e about 165 lb \/ 75 kg, 1.2–2 in (CLIFF)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDownloads\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/huumsauna.com\/wp-content\/uploads\/2025\/11\/H1004L03_v9_CLIFF_User_Manual_USA_PRINT.pdf\" target=\"_blank\" rel=\"noopener\"\u003eHUUM CLIFF install and operation manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eSizing\u003c\/h3\u003e\u003cp\u003eMatch heater kW to insulated interior volume. Glass, stone, tile, or thin walls need more heater than a tight wood room of the same size. A licensed electrician completes the hookup from the nameplate — we do not guess breaker size. Email hello@selfcaresaunas.com to size the room first.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eAre stones included?\u003c\/strong\u003e\u003cbr\u003eHeater-only SKUs: no. STU packages: stones are part of the STU name; still confirm the carton with our team.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs UKU included?\u003c\/strong\u003e\u003cbr\u003eHeater-only: no. Packages whose options list UKU Local \/ UKU Wi-Fi: yes, that control finish is the option you pick.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e240V?\u003c\/strong\u003e\u003cbr\u003eHUUM US heaters are typically 240V hardwired. Electrician uses the HUUM table in the manual. We do not invent amps.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWall or floor?\u003c\/strong\u003e\u003cbr\u003eFloor\u003c\/p\u003e\u003cp\u003eQuestions? Email hello@selfcaresaunas.com.\u003c\/p\u003e","brand":"HUUM","offers":[{"title":"Default Title","offer_id":44072287371323,"sku":null,"price":2638.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0618\/3279\/0075\/files\/cliff-elektrikeris-1_fd65b6c3-442f-4b9b-aa60-bdef1f1583f4.webp?v=1788024979"},{"product_id":"huum-steel-9","title":"HUUM STEEL 9","description":"\u003cp\u003eThe HUUM STEEL 9 is a HUUM electric sauna heater made in Estonia, 9 kW, about 283–460 cu ft. STEEL is the slim floor pillar with an air tunnel. Looks narrow; still takes a serious pile of smaller stones.\u003c\/p\u003e\u003ch3\u003eHow it heats\u003c\/h3\u003e\u003cp\u003eElectric elements inside a stone cage. You need a HUUM UKU (or compatible) control — there are no dials on the heater. Round stones are what HUUM recommends. Licensed electrician, heat-resistant cable, no guessed breaker size from us. Glass and masonry: add equivalent volume when you size kW.\u003c\/p\u003e\u003ch3\u003eWhat’s included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHUUM STEEL 9 heater\u003c\/li\u003e\n\u003cli\u003eStones sold separately (HUUM is explicit: stones, UKU, and power cable are not in the heater box)\u003c\/li\u003e\n\u003cli\u003eUKU control sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e HUUM (Estonia)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e 9 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprox. room volume:\u003c\/strong\u003e 283–460 cu ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e Floor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e UKU (sold separately unless this is a UKU package)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone load (manufacturer):\u003c\/strong\u003e about 330 lb \/ 150 kg, 1.2–2 in (STEEL)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDownloads\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/huumsauna.com\/wp-content\/uploads\/2025\/11\/H1006L03_v9_STEEL_User_Manual_USA_PRINT.pdf\" target=\"_blank\" rel=\"noopener\"\u003eHUUM STEEL install and operation manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eSizing\u003c\/h3\u003e\u003cp\u003eMatch heater kW to insulated interior volume. Glass, stone, tile, or thin walls need more heater than a tight wood room of the same size. A licensed electrician completes the hookup from the nameplate — we do not guess breaker size. Email hello@selfcaresaunas.com to size the room first.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eAre stones included?\u003c\/strong\u003e\u003cbr\u003eHeater-only SKUs: no. STU packages: stones are part of the STU name; still confirm the carton with our team.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs UKU included?\u003c\/strong\u003e\u003cbr\u003eHeater-only: no. Packages whose options list UKU Local \/ UKU Wi-Fi: yes, that control finish is the option you pick.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e240V?\u003c\/strong\u003e\u003cbr\u003eHUUM US heaters are typically 240V hardwired. Electrician uses the HUUM table in the manual. We do not invent amps.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWall or floor?\u003c\/strong\u003e\u003cbr\u003eFloor\u003c\/p\u003e\u003cp\u003eQuestions? Email hello@selfcaresaunas.com.\u003c\/p\u003e","brand":"HUUM","offers":[{"title":"Default Title","offer_id":44072287764539,"sku":null,"price":2224.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0618\/3279\/0075\/files\/steel-elektrikeris_c78c8f67-a394-407b-bcd7-91414a5a0d8c.png?v=1788024982"}],"url":"https:\/\/selfcaresaunas.com\/collections\/9-kw-heaters.oembed","provider":"Self Care Saunas","version":"1.0","type":"link"}